🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.9

Radius: 13.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.79 AU - 0.85 AU

Year: 487 Days

Day: 5.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,900,661 km

• M1: 167,998 km (0.108 R)
• M2: 607,667 km (0.061 R)
• M3: 1,076,357 km (0.115 R)
• M4: 1,509,143 km (0.098 R)
• M5: 2,096,165 km (0.12 R)
• M6: 2,559,919 km (0.071 R)
• M7: 3,150,980 km (0.117 R)
• M8: 3,791,708 km (0.06 R)
• M9: 4,237,210 km (0.04 R)
• M10: 5,004,198 km (0.107 R)
• M11: 6,422,237 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.87 AU - 0.97 AU

Year: 579 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,900,661 km

• M1: 99,483 km (0.098 R)
• M2: 418,874 km (0.07 R)
• M3: 1,035,516 km (0.068 R)
• M4: 1,573,321 km (0.093 R)
• M5: 1,843,495 km (0.103 R)
• M6: 2,205,521 km (0.07 R)
• M7: 2,575,327 km (0.056 R)
• M8: 3,380,762 km (0.084 R)
• M9: 3,746,379 km (0.067 R)
• M10: 5,479,920 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 10.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.54 AU - 1.92 AU

Year: 1493 Days

Day: 8.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,900,661 km

• M1: 132,095 km (0.079 R)
• M2: 468,690 km (0.107 R)
• M3: 800,648 km (0.094 R)
• M4: 1,215,931 km (0.081 R)
• M5: 1,632,262 km (0.09 R)
• M6: 2,732,555 km (0.066 R)
• M7: 3,288,161 km (0.102 R)
• M8: 3,633,882 km (0.109 R)
• M9: 4,180,662 km (0.086 R)
• M10: 4,820,791 km (0.116 R)
• M11: 5,311,024 km (0.063 R)
• M12: 5,656,295 km (0.097 R)
• M13: 6,561,063 km (0.031 R)
• M14: 7,399,859 km (0.109 R)
• M15: 9,351,812 km (0.093 R)
• M16: 10,247,604 km (0.116 R)
• M17: 11,988,175 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 10.1

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.63 AU - 4.97 AU

Year: 5849 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,900,661 km

• M1: 125,662 km (0.085 R)
• M2: 443,258 km (0.085 R)
• M3: 806,033 km (0.026 R)
• M4: 1,202,617 km (0.062 R)
• M5: 1,562,849 km (0.1 R)
• M6: 2,612,727 km (0.055 R)
• M7: 3,045,214 km (0.118 R)
• M8: 3,395,124 km (0.102 R)
• M9: 6,354,170 km (0.079 R)
• M10: 6,999,236 km (0.098 R)
• M11: 7,538,835 km (0.078 R)
• M12: 8,579,887 km (0.085 R)
• M13: 9,496,922 km (0.092 R)
• M14: 13,826,583 km (0.06 R)
• M15: 16,108,998 km (0.047 R)
• M16: 17,895,196 km (0.096 R)
• M17: 19,110,978 km (0.089 R)
• M18: 22,313,420 km (0.097 R)
• M19: 23,403,240 km (0.087 R)
• M20: 26,282,401 km (0.078 R)
• M21: 30,414,743 km (0.111 R)
• M22: 31,560,064 km (0.056 R)
• M23: 32,045,659 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 11.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.59 AU - 5.39 AU

Year: 6241 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,900,661 km

• M1: 144,212 km (0.025 R)
• M2: 1,647,970 km (0.092 R)
• M3: 2,638,458 km (0.088 R)
• M4: 3,052,545 km (0.108 R)
• M5: 3,575,988 km (0.12 R)
• M6: 6,261,568 km (0.069 R)
• M7: 8,267,227 km (0.037 R)
• M8: 11,482,235 km (0.082 R)
• M9: 12,284,828 km (0.076 R)
• M10: 13,503,452 km (0.12 R)
• M11: 14,684,976 km (0.111 R)
• M12: 17,905,818 km (0.088 R)
• M13: 20,538,591 km (0.079 R)
• M14: 21,123,967 km (0.065 R)
• M15: 23,419,247 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.2

Radius: 9.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.21 AU - 5.25 AU

Year: 7846 Days

Day: 5 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,900,661 km

• M1: 119,379 km (0.089 R)
• M2: 531,372 km (0.095 R)
• M3: 879,935 km (0.114 R)
• M4: 1,242,111 km (0.061 R)
• M5: 1,830,031 km (0.114 R)
• M6: 2,188,766 km (0.09 R)
• M7: 2,561,265 km (0.033 R)
• M8: 3,832,099 km (0.087 R)
• M9: 4,998,364 km (0.067 R)
• M10: 5,371,461 km (0.093 R)
• M11: 6,084,145 km (0.045 R)
• M12: 9,337,301 km (0.098 R)
• M13: 10,197,189 km (0.115 R)
• M14: 11,979,648 km (0.101 R)
• M15: 12,504,138 km (0.087 R)
• M16: 15,922,449 km (0.1 R)
• M17: 17,267,933 km (0.079 R)
• M18: 17,692,043 km (0.034 R)
• M19: 19,263,867 km (0.036 R)
• M20: 19,984,181 km (0.059 R)
• M21: 21,618,089 km (0.071 R)
• M22: 23,192,307 km (0.092 R)
• M23: 23,634,519 km (0.104 R)
• M24: 26,970,701 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.6

Radius: 3.8

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.09 AU - 8.23 AU

Year: 11275 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,900,661 km

• M1: 50,714 km (0.108 R)
• M2: 201,359 km (0.096 R)
• M3: 426,354 km (0.025 R)
• M4: 1,246,898 km (0.117 R)
• M5: 1,586,635 km (0.057 R)
• M6: 1,954,646 km (0.058 R)
• M7: 2,142,690 km (0.108 R)
• M8: 2,760,679 km (0.115 R)
• M9: 3,719,601 km (0.066 R)
• M10: 5,287,238 km (0.111 R)
• M11: 6,298,968 km (0.1 R)
• M12: 6,779,626 km (0.065 R)
• M13: 7,698,157 km (0.099 R)
• M14: 12,788,374 km (0.099 R)
• M15: 13,334,257 km (0.098 R)
• M16: 14,239,922 km (0.074 R)
• M17: 19,106,191 km (0.049 R)
• M18: 20,772,113 km (0.112 R)
• M19: 23,813,737 km (0.106 R)
• M20: 26,258,914 km (0.119 R)
• M21: 31,345,990 km (0.091 R)
• M22: 32,637,618 km (0.07 R)
• M23: 35,645,732 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707

Radius: 7.5

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.36 AU - 7.08 AU

Year: 11428 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,900,661 km

• M1: 93,199 km (0.111 R)
• M2: 555,307 km (0.106 R)
• M3: 899,532 km (0.11 R)
• M4: 1,342,790 km (0.086 R)
• M5: 1,607,728 km (0.093 R)
• M6: 1,857,856 km (0.102 R)
• M7: 2,282,564 km (0.104 R)
• M8: 2,925,386 km (0.046 R)
• M9: 3,252,707 km (0.07 R)
• M10: 3,604,411 km (0.107 R)
• M11: 4,974,129 km (0.084 R)
• M12: 5,305,339 km (0.119 R)
• M13: 5,615,904 km (0.097 R)
• M14: 6,160,590 km (0.091 R)
• M15: 6,660,546 km (0.066 R)
• M16: 7,397,166 km (0.091 R)
• M17: 9,778,914 km (0.113 R)
• M18: 10,893,418 km (0.109 R)
• M19: 18,145,025 km (0.084 R)
• M20: 19,657,310 km (0.077 R)
• M21: 19,903,548 km (0.107 R)
• M22: 21,424,659 km (0.102 R)
• M23: 24,223,336 km (0.038 R)
• M24: 26,251,883 km (0.096 R)
• M25: 30,975,286 km (0.086 R)
• M26: 34,065,081 km (0.114 R)
• M27: 40,186,476 km (0.088 R)
• M28: 47,590,523 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.6

Radius: 3.9

Gravity: 33.9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.32 AU - 8.88 AU

Year: 13745 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,900,661 km

• M1: 90,507 km (0.093 R)
• M2: 219,610 km (0.056 R)
• M3: 441,763 km (0.114 R)
• M4: 712,235 km (0.115 R)
• M5: 900,130 km (0.103 R)
• M6: 1,966,314 km (0.096 R)
• M7: 3,732,916 km (0.1 R)
• M8: 4,698,720 km (0.102 R)
• M9: 5,188,353 km (0.092 R)
• M10: 5,893,109 km (0.086 R)
• M11: 6,041,360 km (0.08 R)
• M12: 6,501,224 km (0.112 R)
• M13: 6,901,847 km (0.108 R)
• M14: 8,910,797 km (0.07 R)
• M15: 14,364,986 km (0.116 R)
• M16: 16,463,844 km (0.093 R)
• M17: 16,981,303 km (0.071 R)
• M18: 18,048,834 km (0.06 R)
• M19: 23,041,064 km (0.118 R)
• M20: 26,298,408 km (0.096 R)
• M21: 28,036,436 km (0.102 R)
• M22: 30,397,390 km (0.105 R)
• M23: 33,944,206 km (0.085 R)
• M24: 35,144,729 km (0.061 R)
• M25: 36,001,625 km (0.116 R)
• M26: 41,709,682 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 17,035 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit